Q: Is 200,020 a Prime Number?

A: No, 200,020 is not a prime number.

Why is 200,020 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 200020 can be evenly divided by 1 2 4 5 10 20 73 137 146 274 292 365 548 685 730 1,370 1,460 2,740 10,001 20,002 40,004 50,005 100,010 and 200,020, with no remainder.

Since 200,020 cannot be divided by just 1 and 200,020, it is not a prime number.

Number	200,018	200,019	200,021	200,022
Prime?	no	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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